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牛磺熊去氧胆酸和谷氨酰胺联合作用对梗阻性黄疸大鼠细菌易位的影响:

Combined effects of tauroursodeoxycholic Acid and glutamine on bacterial translocation in obstructive jaundiced rats:

机构信息

Department of General Surgery, Trakya University Faculty of Medicine, Edirne, Turkey.

Department of Microbiology, Trakya University Faculty of Medicine, Edirne, Turkey.

出版信息

Balkan Med J. 2013 Dec;30(4):362-8. doi: 10.5152/balkanmedj.2013.7785. Epub 2013 Dec 1.

Abstract

BACKGROUND

Bacterial Translocation is believed to be an important factor on mortality and morbidity in Obstructive Jaundiced.

AIMS

We investigated the probable or estimated positive effects of tauroursodeoxycholic acid, which has antibacterial and regulatory effects on intestinal flora, together with glutamine on BT in an experimental obstructive jaundiced rat model.

STUDY DESIGN

Animal experimentation.

METHODS

Forty adult, male, Sprague Dawley rats were used in this study. Animals were randomised and divided into five groups of eight each: sham (Sh); control (common bile duct ligation, CBDL); and supplementation groups administered tauroursodeoxycholic acid (CBDL+T), glutamine (CBDL+G), or tauroursodeoxycholic acid plus glutamine (CBDL+TG). Blood and liver, spleen, MLN, and ileal samples were taken via laparotomy under sterile conditions for investigation of bacterial translocation and intestinal mucosal integrity and hepatic function tests on the tenth postoperative day.

RESULTS

There were statistically significant differences in BT rates in all samples except the spleen of the CBDL+TG group compared with the CBDL group (p=0.041, p=0.026, and p=0.041, respectively).

CONCLUSION

It is essential to protect hepatic functions besides maintaining intestinal mucosal integrity in the active struggle against BT occurring in obstructive jaundice. The positive effect on intestinal mucosal integrity can be increased if glutamine is used with tauroursodeoxycholic acid, which also has hepatoprotective and immunomodulatory features.

摘要

背景

细菌易位被认为是阻塞性黄疸患者死亡率和发病率的重要因素。

目的

我们研究了牛磺熊脱氧胆酸(具有抗菌和调节肠道菌群的作用)和谷氨酰胺联合应用于实验性阻塞性黄疸大鼠模型中对细菌易位的可能或估计的积极影响。

研究设计

动物实验。

方法

本研究使用了 40 只成年雄性 Sprague Dawley 大鼠。动物随机分为五组,每组 8 只:假手术组(Sh);对照组(胆总管结扎,CBDL);以及补充组给予牛磺熊脱氧胆酸(CBDL+T)、谷氨酰胺(CBDL+G)或牛磺熊脱氧胆酸加谷氨酰胺(CBDL+TG)。通过剖腹术在无菌条件下采集血液和肝脏、脾、MLN 和回肠样本,以研究细菌易位和肠道黏膜完整性,并在术后第 10 天进行肝功能检查。

结果

除 CBDL+TG 组的脾样本外,所有样本的 BT 率均有统计学差异(p=0.041、p=0.026 和 p=0.041)。

结论

除了维持肠道黏膜完整性外,保护肝功能对于对抗阻塞性黄疸中发生的细菌易位至关重要。如果将具有肝保护和免疫调节作用的牛磺熊脱氧胆酸与谷氨酰胺联合使用,对肠道黏膜完整性的积极影响可以增加。

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